Himachal Pradesh Takniki Shiksha Board | 3rd
Operating Systems
📚 Syllabus - OS (Diploma Computer Engineering 3rd)
1. Introduction (4 Hours)
Operating System (OS): Objectives, Functions, Evolution, Classification, Booting
(Cold and Warm)
2. e Op rating System Structures (6 Hours)
OS Services, User Interface (Commandâ€Line Interface, Graphical User Interface),
System Calls, Kernel, OS structure (monolithic, layered and microkernel)
3. Process Management (10 Hours)
Process, Process States, Process Control Block (PCB), Operations on Processes,
Interâ€process Communication, Process Synchronization – Critical Section Problem,
Solutions to Critical Section Problem – Peterson’s Solution, Hardware Solution,
Semaphores and Monitors, Deadlocks – Essential Conditions, Prevention and
Avoidance – Bankers Algorithm, Threads – Userâ€level and Kernelâ€level threads,
Multithreading Models – Many to One, One to One, Many to Many
4. CPU Scheduling (10 Hours)
Scheduling – Objectives, performance criteria, CPU and I/O burst cycle,
Preemptive Vs. Non preemptive scheduling, CPU Scheduler(Longâ€term,
Shortâ€term), Scheduling Algorithms: Firstâ€comeâ€firstâ€served (FCFS), Shortest job
first (SJF), Shortest Remaining Time First (SRTF), Round Robin (RR), Priority
Scheduling, Multilevel Queue Scheduling, Multilevel Feedback Queue
5. Memory Management (10 Hours)
Contiguous Memory Allocation – MFT, MVT, Buddy System, Fragmentation
(Internal, External), Compaction, Memory Hole Allocation Strategies (Firstâ€fit,
Bestâ€fit, Worstâ€fit), Nonâ€contiguous Memory Allocation – Paging – Logical and
Physical Address Spaces, Page, Frame, Shared Pages, Page Table Structure –
Hierarchical, Hashed and Inverted, Segmentation – User View of main memory,
Segments
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6. Virtual Memory (4 Hours)
Swapping, Demand Paging, Page Replacement Policies – FIFO, Optimal, LRU, LFU
and MFU, Thrashing
7. Storage Management (8 Hours)
File – Concept, Attributes, Operations, Types, Structure, Access Methods –
Sequential and Direct, Allocation Methods – Contiguous, Linked, Indexed,
Directory Structure – Single level, Two level and Tree Structure, Free Space
management techniques –Bitmap and Linked List, Disk Scheduling
8. I/O Subsystem (6 Hours)
I/O instructions based and Memoryâ€mapped I/O systems, Polling, Interrupts,
DMA, Buffering, Caching, Spooling
9. Case Studies (6 Hours)
Features comparison of Windows Family, UNIX, Linux and Android Operating
Systems
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About This Question Paper Collection
Browse OS 3rd question papers for Diploma Computer Engineering students at Himachal Pradesh Takniki Shiksha Board. This page helps students review question patterns, prepare for exams, and understand how previous papers are structured.
Select a paper below to open year-wise question papers, solutions, or available answer content where listed on BRpaper.
How Students Can Use These Papers
Previous year question papers for Operating Systems at Himachal Pradesh Takniki Shiksha Board help students understand how questions were framed in earlier exams, spot commonly repeated topics, and check exam patterns.
Use these papers alongside the latest syllabus, class notes, and official university updates to revise efficiently, practice answering within time limits, and compare question styles across sessions.
FAQ
Frequently Asked Questions
Helpful answers about this subject, papers, and exam preparation.
01 Where can I find Operating Systems previous year question papers for Diploma Computer Engineering, 3rd semester?
This page lists Operating Systems question papers uploaded for Himachal Pradesh Takniki Shiksha Board Diploma Computer Engineering, 3rd semester, organized for subject-wise browsing where available.
02 Are these official Himachal Pradesh Takniki Shiksha Board question papers?
BRpaper is not the official website of Himachal Pradesh Takniki Shiksha Board. These papers are shared for reference and revision purposes only and are not official university material.
03 How can previous year Operating Systems papers help in exam preparation?
Reviewing past papers can help you understand how questions are typically framed, notice commonly repeated topics, and get a sense of the exam pattern before your own exam.
04 What kind of topics does Operating Systems usually cover?
The question papers here relate to the official Operating Systems syllabus set by the university for this course and semester.
05 Does this page include a Operating Systems question paper pdf or solved answers?
This page focuses on providing access to the previous year question papers themselves. A separate question bank or solved answers may not be available for every paper.
06 Can I find papers for other subjects in the same Diploma Computer Engineering?
Yes, BRpaper organizes papers by university, course, stream, and semester, so you can browse other subjects within the same Himachal Pradesh Takniki Shiksha Board Diploma Computer Engineering.
Important
Important Disclaimer
BRpaper is not the official website of Himachal Pradesh Takniki Shiksha Board or any institution. BRpaper organizes available question papers for student reference only. For official notices, date sheets, results, syllabus changes, and academic updates, students should visit the official university website.